diff options
Diffstat (limited to 'kernel/locking')
| -rw-r--r-- | kernel/locking/mutex.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/kernel/locking/mutex.c b/kernel/locking/mutex.c index 94674e5..49cce44 100644 --- a/kernel/locking/mutex.c +++ b/kernel/locking/mutex.c @@ -250,11 +250,11 @@ int mutex_spin_on_owner(struct mutex *lock, struct task_struct *owner) rcu_read_unlock(); /* - * We break out the loop above on need_resched() and when the - * owner changed, which is a sign for heavy contention. Return - * success only when lock->owner is NULL. + * We break out of the loop above on either need_resched(), when + * the owner is not running, or when the lock owner changed. + * Return success only when the lock owner changed. */ - return lock->owner == NULL; + return lock->owner != owner; } /* |
